Quality tests are not only carried out at every stage of production, but also at the final stage of assembly line every battery unit goes through HRD, Polarity, and Short Circuit test to ensure compliance with international battery standards in addition to JIS & DIN Standards. Evidently, our all batteries are free from manufacturing defects and guarantee 100% output, shelve & service life as mentioned in the specifications.
We use 99.99% pure lead and other high quality raw material procured from trusted sources so as to ensure reliable backward integrated supply chain to produce high quality batteries.
The major steps in manufacturing process, which is shown in the process flow chart, are described below in stages:
We use milling process; solid lead (which may range in size from small balls to complete pigs) is fed into a rotating mill. The tumbling action of the lead generates heat and the surface of the lead oxidizes. As the particles roll around in the drum, the surface layers of oxide are removed to expose more clean lead for oxidation. The air stream carries the powder to a bag filter, where it is collected.
We use milling process; solid lead (which may range in size from small balls to complete pigs) is fed into a rotating mill. The tumbling action of the lead generates heat and the surface of the lead oxidizes. As the particles roll around in the drum, the surface layers of oxide are removed to expose more clean lead for oxidation. The air stream carries the powder to a bag filter, where it is collected.
Battery paste is made by mixing the oxide (made of #1 electrolytic lead) with water, Sulphuric acid and a range of proprietary additives. The paste is pressed by machine onto the grid network, and the plates are usually flash-dried in a high-temperature oven.
We create a low-temperature, high-humidity environment for the plates. Staying in curing oven under the serious controlled time to make the lead paste on the plate become harden, to give a good bond between the grid and paste. And the free lead in the plate is required to reduced to a minimum of 1.5%, far below the average e of 4%
Cured & dried Battery plates undergo an electrical formation process In tank formation. Plates are loaded into large baths of dilute sulphuric acid and a direct current is passed to form the positive and negative plates. After drying, the plates are cut and assembled, with a HIGH-QUALITY SEPARATOR between them, into battery boxes. Plates of like polarity are connected by welding together the plate lugs.
Before our batteries get packaged into cartons, they undergo following tests for performance, endurance and compliance with laid down standards. Any deficit in the performance results in the scrapping of the battery.
Spaceflight Power was founded in 1994 and named Zhongshan Spaceflight Power supply Co,. Ltd. In 2006, the company’s production base moved to Jiangxi Province for a larger production space with 120,000 square meters.
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